/Engine/Plugins/Media/MediaPlate/Source/MediaPlateEditor/Public/MediaPlateEditorModule.h
Call this when a media plate starts playing so we can track it.
void MediaPlateStartedPlayback ( [TObjectPtr](API\Runtime\Core\Delegates\TObjectPtr)< [UMediaPlateComponent](API\Plugins\MediaPlate\UMediaPlateComponent) > MediaPlate )